java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrchr-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-835382a-m [2018-04-05 15:29:28,943 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-05 15:29:28,945 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-05 15:29:28,980 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-05 15:29:28,989 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-05 15:29:28,990 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-05 15:29:28,991 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-05 15:29:29,004 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-05 15:29:29,007 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-05 15:29:29,008 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-05 15:29:29,018 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-05 15:29:29,018 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-05 15:29:29,025 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-05 15:29:29,026 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-05 15:29:29,027 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-05 15:29:29,035 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-05 15:29:29,051 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-05 15:29:29,053 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-05 15:29:29,085 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-05 15:29:29,086 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-05 15:29:29,092 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-05 15:29:29,123 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-05 15:29:29,211 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-05 15:29:29,211 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-05 15:29:29,212 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-05 15:29:29,212 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-05 15:29:29,213 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-05 15:29:29,213 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-05 15:29:29,217 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-05 15:29:29,217 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-05 15:29:29,217 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-05 15:29:29,218 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-05 15:29:29,218 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-05 15:29:29,218 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-05 15:29:29,219 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-05 15:29:29,219 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-05 15:29:29,219 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-05 15:29:29,219 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-05 15:29:29,220 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-05 15:29:29,220 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-05 15:29:29,220 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-05 15:29:29,220 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-05 15:29:29,220 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-05 15:29:29,225 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-05 15:29:29,225 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-05 15:29:29,225 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-05 15:29:29,226 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-05 15:29:29,226 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-05 15:29:29,234 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-05 15:29:29,234 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-05 15:29:29,234 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-05 15:29:29,235 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-05 15:29:29,235 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-05 15:29:29,235 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:29:29,235 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-05 15:29:29,236 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-05 15:29:29,236 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-05 15:29:29,237 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-05 15:29:29,238 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-05 15:29:29,356 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-05 15:29:29,393 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-05 15:29:29,399 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-05 15:29:29,408 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-05 15:29:29,409 INFO L276 PluginConnector]: CDTParser initialized [2018-04-05 15:29:29,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,012 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf67149b05 [2018-04-05 15:29:30,533 INFO L287 CDTParser]: IsIndexed: true [2018-04-05 15:29:30,533 INFO L288 CDTParser]: Found 1 translation units. [2018-04-05 15:29:30,537 INFO L168 CDTParser]: Scanning cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,564 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-05 15:29:30,564 INFO L215 ultiparseSymbolTable]: [2018-04-05 15:29:30,564 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-05 15:29:30,565 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,565 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,565 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,565 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__ ('') in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,565 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-05 15:29:30,565 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____nlink_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,565 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__register_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,566 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,566 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,566 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__u_int64_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,566 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__ino_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,566 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pid_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,566 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____fsword_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,566 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,566 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__ldiv_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,567 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__gid_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,567 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____uid_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,567 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__u_short in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,567 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__ssize_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,567 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__int8_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,567 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,567 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,567 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,568 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____uint64_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,568 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____timer_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,568 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__int32_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,568 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____u_short in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,568 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,568 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__key_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,568 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____ssize_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,568 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__timer_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,569 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,569 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____int8_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,569 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__u_int8_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,569 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____fd_mask in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,569 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____daddr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,569 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____key_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,569 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__clockid_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,569 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____clock_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,570 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__dev_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,570 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____rlim64_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,570 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____useconds_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,570 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__id_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,570 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__int64_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,570 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,570 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__fd_mask in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,570 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,571 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__ushort in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,571 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____time_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,571 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____uint8_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,571 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__loff_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,571 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__nlink_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,571 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__uint in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,571 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____int64_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,572 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____ino64_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,572 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,572 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,572 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,572 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____u_int in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,572 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,572 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__time_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,572 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,573 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____u_long in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,573 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____int16_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,573 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,573 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,573 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__sigset_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,573 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,573 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____quad_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,573 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__u_quad_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,573 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__ulong in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,574 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____off64_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,574 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____fsid_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,574 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__u_long in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,574 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____caddr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,574 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,574 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____dev_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,574 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____pid_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,574 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,575 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____qaddr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,575 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____off_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,575 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____uint16_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,575 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____gid_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,575 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____blksize_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,575 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__clock_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,575 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__u_int32_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,575 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__suseconds_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,575 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____id_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,576 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____loff_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,576 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__fsid_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,576 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__daddr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,576 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____clockid_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,576 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____int32_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,576 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__div_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,576 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__mode_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,576 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____rlim_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__u_int in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____sigset_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__fd_set in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__caddr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____suseconds_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____u_char in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____intptr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____ino_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____u_quad_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__int16_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____mode_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__wchar_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__blksize_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__uid_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____uint32_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__lldiv_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____socklen_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__quad_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__u_int16_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__size_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__u_char in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__off_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:30,643 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf67149b05 [2018-04-05 15:29:30,653 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-05 15:29:30,657 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-05 15:29:30,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-05 15:29:30,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-05 15:29:30,685 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-05 15:29:30,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:29:30" (1/1) ... [2018-04-05 15:29:30,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71161b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:29:30, skipping insertion in model container [2018-04-05 15:29:30,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:29:30" (1/1) ... [2018-04-05 15:29:30,712 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 15:29:30,789 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 15:29:31,155 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 15:29:31,274 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 15:29:31,292 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-05 15:29:31,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:29:31 WrapperNode [2018-04-05 15:29:31,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-05 15:29:31,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-05 15:29:31,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-05 15:29:31,426 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-05 15:29:31,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:29:31" (1/1) ... [2018-04-05 15:29:31,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:29:31" (1/1) ... [2018-04-05 15:29:31,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:29:31" (1/1) ... [2018-04-05 15:29:31,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:29:31" (1/1) ... [2018-04-05 15:29:31,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:29:31" (1/1) ... [2018-04-05 15:29:31,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:29:31" (1/1) ... [2018-04-05 15:29:31,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:29:31" (1/1) ... [2018-04-05 15:29:31,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-05 15:29:31,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-05 15:29:31,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-05 15:29:31,532 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-05 15:29:31,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:29:31" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-05 15:29:31,864 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-05 15:29:31,865 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-05 15:29:31,865 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-05 15:29:31,865 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-05 15:29:31,865 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrchr [2018-04-05 15:29:31,865 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-05 15:29:31,865 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-05 15:29:31,865 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-05 15:29:31,865 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-05 15:29:31,865 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-05 15:29:31,866 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-05 15:29:31,871 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-05 15:29:31,871 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-05 15:29:31,871 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-05 15:29:31,871 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-05 15:29:31,871 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-05 15:29:31,871 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-05 15:29:31,871 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-05 15:29:31,872 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-05 15:29:31,872 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-05 15:29:31,872 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-05 15:29:31,872 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-05 15:29:31,872 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-05 15:29:31,872 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-05 15:29:31,872 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-05 15:29:31,872 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-05 15:29:31,873 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-05 15:29:31,882 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-05 15:29:31,882 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-05 15:29:31,882 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-05 15:29:31,882 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-05 15:29:31,883 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-05 15:29:31,883 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-05 15:29:31,883 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-05 15:29:31,883 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-05 15:29:31,883 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-05 15:29:31,892 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-05 15:29:31,892 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-05 15:29:31,892 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-05 15:29:31,892 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-05 15:29:31,892 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-05 15:29:31,893 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-05 15:29:31,893 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-05 15:29:31,893 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-05 15:29:31,893 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-05 15:29:31,894 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-05 15:29:31,895 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-05 15:29:31,895 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-05 15:29:31,895 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-05 15:29:31,895 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-05 15:29:31,895 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-05 15:29:31,895 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-05 15:29:31,896 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-05 15:29:31,896 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-05 15:29:31,896 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-05 15:29:31,896 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-05 15:29:31,896 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-05 15:29:31,896 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-05 15:29:31,896 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-05 15:29:31,897 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-05 15:29:31,897 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-05 15:29:31,897 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-05 15:29:31,897 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-05 15:29:31,897 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-05 15:29:31,897 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-05 15:29:31,897 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-05 15:29:31,905 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-05 15:29:31,905 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-05 15:29:31,905 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-05 15:29:31,905 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-05 15:29:31,905 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-05 15:29:31,905 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-05 15:29:31,906 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-05 15:29:31,906 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-05 15:29:31,906 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-05 15:29:31,906 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-05 15:29:31,906 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-05 15:29:31,906 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-05 15:29:31,906 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-05 15:29:31,906 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-05 15:29:31,907 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-05 15:29:31,907 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-05 15:29:31,907 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-05 15:29:31,907 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-05 15:29:31,907 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-05 15:29:31,907 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-05 15:29:31,907 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-05 15:29:31,907 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-05 15:29:31,908 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-05 15:29:31,908 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-05 15:29:31,908 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-05 15:29:31,908 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-05 15:29:31,908 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-05 15:29:31,908 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-05 15:29:31,908 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-05 15:29:31,908 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-05 15:29:31,909 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-05 15:29:31,909 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-05 15:29:31,918 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-05 15:29:31,919 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-05 15:29:31,919 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-05 15:29:31,919 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-05 15:29:31,919 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-05 15:29:31,919 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-05 15:29:31,919 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-05 15:29:31,920 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-05 15:29:31,920 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-05 15:29:31,920 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-05 15:29:31,920 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-05 15:29:31,920 INFO L128 BoogieDeclarations]: Found specification of procedure cstrchr [2018-04-05 15:29:31,920 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-05 15:29:31,920 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-05 15:29:31,920 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-05 15:29:31,921 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-05 15:29:31,921 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-05 15:29:31,921 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-05 15:29:31,921 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-05 15:29:31,921 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-05 15:29:33,051 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-05 15:29:33,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:29:33 BoogieIcfgContainer [2018-04-05 15:29:33,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-05 15:29:33,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-05 15:29:33,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-05 15:29:33,079 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-05 15:29:33,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 03:29:30" (1/3) ... [2018-04-05 15:29:33,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d40c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:29:33, skipping insertion in model container [2018-04-05 15:29:33,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:29:31" (2/3) ... [2018-04-05 15:29:33,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d40c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:29:33, skipping insertion in model container [2018-04-05 15:29:33,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:29:33" (3/3) ... [2018-04-05 15:29:33,085 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:29:33,098 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-05 15:29:33,123 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-04-05 15:29:33,289 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-05 15:29:33,290 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-05 15:29:33,290 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-05 15:29:33,290 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-05 15:29:33,290 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-05 15:29:33,290 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-05 15:29:33,290 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-05 15:29:33,291 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-05 15:29:33,291 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-05 15:29:33,292 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-05 15:29:33,329 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-04-05 15:29:33,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-05 15:29:33,346 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:29:33,347 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:29:33,347 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:29:33,357 INFO L82 PathProgramCache]: Analyzing trace with hash 369762018, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:29:33,418 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:29:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:29:33,535 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:29:33,662 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 15:29:33,665 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:29:33,683 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:29:33,683 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 15:29:33,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:29:33,744 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:29:33,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:29:33,816 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:29:33,816 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-05 15:29:33,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-05 15:29:33,835 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-05 15:29:33,836 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-05 15:29:33,839 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 4 states. [2018-04-05 15:29:34,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:29:34,084 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2018-04-05 15:29:34,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-05 15:29:34,086 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-05 15:29:34,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:29:34,106 INFO L225 Difference]: With dead ends: 82 [2018-04-05 15:29:34,107 INFO L226 Difference]: Without dead ends: 57 [2018-04-05 15:29:34,124 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-05 15:29:34,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-04-05 15:29:34,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-04-05 15:29:34,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-05 15:29:34,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 60 transitions. [2018-04-05 15:29:34,252 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 60 transitions. Word has length 13 [2018-04-05 15:29:34,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:29:34,253 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 60 transitions. [2018-04-05 15:29:34,253 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-05 15:29:34,253 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2018-04-05 15:29:34,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-05 15:29:34,254 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:29:34,254 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:29:34,254 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:29:34,254 INFO L82 PathProgramCache]: Analyzing trace with hash 369762019, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:29:34,272 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:29:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:29:34,319 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:29:34,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 15:29:34,393 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:29:34,460 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:29:34,460 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-05 15:29:34,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:29:34,600 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:29:34,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:29:34,836 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:29:34,836 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-05 15:29:34,838 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-05 15:29:34,838 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-05 15:29:34,839 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-05 15:29:34,839 INFO L87 Difference]: Start difference. First operand 57 states and 60 transitions. Second operand 7 states. [2018-04-05 15:29:35,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:29:35,386 INFO L93 Difference]: Finished difference Result 57 states and 60 transitions. [2018-04-05 15:29:35,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-05 15:29:35,387 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2018-04-05 15:29:35,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:29:35,388 INFO L225 Difference]: With dead ends: 57 [2018-04-05 15:29:35,388 INFO L226 Difference]: Without dead ends: 56 [2018-04-05 15:29:35,389 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-05 15:29:35,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-04-05 15:29:35,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-04-05 15:29:35,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-04-05 15:29:35,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2018-04-05 15:29:35,405 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 13 [2018-04-05 15:29:35,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:29:35,412 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2018-04-05 15:29:35,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-05 15:29:35,412 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2018-04-05 15:29:35,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-05 15:29:35,413 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:29:35,413 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:29:35,413 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:29:35,413 INFO L82 PathProgramCache]: Analyzing trace with hash -455899147, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:29:35,451 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:29:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:29:35,511 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:29:35,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:29:35,589 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:29:35,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:29:35,687 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:29:35,687 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-05 15:29:35,688 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-05 15:29:35,688 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-05 15:29:35,688 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-05 15:29:35,688 INFO L87 Difference]: Start difference. First operand 56 states and 59 transitions. Second operand 5 states. [2018-04-05 15:29:36,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:29:36,249 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2018-04-05 15:29:36,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-05 15:29:36,250 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-04-05 15:29:36,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:29:36,251 INFO L225 Difference]: With dead ends: 60 [2018-04-05 15:29:36,251 INFO L226 Difference]: Without dead ends: 57 [2018-04-05 15:29:36,252 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-05 15:29:36,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-04-05 15:29:36,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2018-04-05 15:29:36,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-04-05 15:29:36,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2018-04-05 15:29:36,265 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 19 [2018-04-05 15:29:36,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:29:36,265 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2018-04-05 15:29:36,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-05 15:29:36,265 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2018-04-05 15:29:36,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-05 15:29:36,266 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:29:36,266 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:29:36,266 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:29:36,271 INFO L82 PathProgramCache]: Analyzing trace with hash -455899146, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:29:36,289 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:29:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:29:36,341 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:29:36,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:29:36,606 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:29:36,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-05 15:29:36,643 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:29:36,683 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-05 15:29:36,684 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:29:36,720 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:29:36,721 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-05 15:29:36,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:29:37,054 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:29:37,055 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-05 15:29:37,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-05 15:29:37,055 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-05 15:29:37,056 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-05 15:29:37,056 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand 8 states. [2018-04-05 15:29:37,373 WARN L148 SmtUtils]: Spent 153ms on a formula simplification that was a NOOP. DAG size: 9 [2018-04-05 15:29:37,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:29:37,876 INFO L93 Difference]: Finished difference Result 57 states and 60 transitions. [2018-04-05 15:29:37,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-05 15:29:37,876 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-04-05 15:29:37,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:29:37,877 INFO L225 Difference]: With dead ends: 57 [2018-04-05 15:29:37,882 INFO L226 Difference]: Without dead ends: 54 [2018-04-05 15:29:37,883 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-05 15:29:37,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-05 15:29:37,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-05 15:29:37,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-05 15:29:37,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 57 transitions. [2018-04-05 15:29:37,902 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 57 transitions. Word has length 19 [2018-04-05 15:29:37,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:29:37,903 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 57 transitions. [2018-04-05 15:29:37,903 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-05 15:29:37,903 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2018-04-05 15:29:37,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-05 15:29:37,909 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:29:37,909 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:29:37,909 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:29:37,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1156050757, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:29:37,938 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:29:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:29:38,039 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:29:38,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:29:38,139 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:29:38,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:29:38,241 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:29:38,241 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-05 15:29:38,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-05 15:29:38,242 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-05 15:29:38,242 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-05 15:29:38,243 INFO L87 Difference]: Start difference. First operand 54 states and 57 transitions. Second operand 3 states. [2018-04-05 15:29:38,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:29:38,521 INFO L93 Difference]: Finished difference Result 89 states and 95 transitions. [2018-04-05 15:29:38,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-05 15:29:38,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-04-05 15:29:38,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:29:38,534 INFO L225 Difference]: With dead ends: 89 [2018-04-05 15:29:38,535 INFO L226 Difference]: Without dead ends: 55 [2018-04-05 15:29:38,535 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-05 15:29:38,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-04-05 15:29:38,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-04-05 15:29:38,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-05 15:29:38,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2018-04-05 15:29:38,557 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 30 [2018-04-05 15:29:38,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:29:38,558 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2018-04-05 15:29:38,564 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-05 15:29:38,564 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-04-05 15:29:38,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-05 15:29:38,566 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:29:38,566 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:29:38,566 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:29:38,566 INFO L82 PathProgramCache]: Analyzing trace with hash 2130430952, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:29:38,588 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:29:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:29:38,635 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:29:38,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-05 15:29:38,810 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:29:38,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-05 15:29:38,927 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:29:38,927 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-05 15:29:38,927 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-05 15:29:38,928 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-05 15:29:38,928 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-05 15:29:38,928 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 6 states. [2018-04-05 15:29:39,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:29:39,418 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2018-04-05 15:29:39,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-05 15:29:39,421 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-04-05 15:29:39,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:29:39,423 INFO L225 Difference]: With dead ends: 55 [2018-04-05 15:29:39,423 INFO L226 Difference]: Without dead ends: 54 [2018-04-05 15:29:39,423 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-05 15:29:39,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-05 15:29:39,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-05 15:29:39,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-05 15:29:39,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 57 transitions. [2018-04-05 15:29:39,446 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 57 transitions. Word has length 32 [2018-04-05 15:29:39,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:29:39,446 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 57 transitions. [2018-04-05 15:29:39,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-05 15:29:39,447 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2018-04-05 15:29:39,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-05 15:29:39,447 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:29:39,448 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:29:39,448 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:29:39,448 INFO L82 PathProgramCache]: Analyzing trace with hash 2130430953, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:29:39,476 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:29:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:29:39,546 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:29:39,616 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-05 15:29:39,621 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-05 15:29:39,621 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:29:39,633 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:29:39,687 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 15:29:39,688 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-05 15:29:39,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-04-05 15:29:39,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 11 [2018-04-05 15:29:39,903 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-05 15:29:39,938 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:29:39,996 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:29:39,997 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-04-05 15:29:40,169 WARN L151 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 17 DAG size of output 17 [2018-04-05 15:29:40,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:29:40,574 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:29:41,443 WARN L151 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 20 DAG size of output 15 [2018-04-05 15:29:41,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-05 15:29:41,723 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:29:41,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-05 15:29:41,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-05 15:29:41,844 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 15:29:41,855 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:29:41,891 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:29:41,892 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:35, output treesize:7 [2018-04-05 15:29:41,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:29:41,989 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 15:29:41,990 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2018-04-05 15:29:41,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-05 15:29:41,990 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-05 15:29:41,991 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-04-05 15:29:41,991 INFO L87 Difference]: Start difference. First operand 54 states and 57 transitions. Second operand 19 states. [2018-04-05 15:29:42,721 WARN L151 SmtUtils]: Spent 222ms on a formula simplification. DAG size of input: 42 DAG size of output 40 [2018-04-05 15:29:43,033 WARN L151 SmtUtils]: Spent 234ms on a formula simplification. DAG size of input: 46 DAG size of output 43 [2018-04-05 15:29:44,703 WARN L151 SmtUtils]: Spent 338ms on a formula simplification. DAG size of input: 36 DAG size of output 33 [2018-04-05 15:29:45,605 WARN L148 SmtUtils]: Spent 303ms on a formula simplification that was a NOOP. DAG size: 35 [2018-04-05 15:29:45,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:29:45,664 INFO L93 Difference]: Finished difference Result 116 states and 126 transitions. [2018-04-05 15:29:45,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-05 15:29:45,678 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 32 [2018-04-05 15:29:45,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:29:45,693 INFO L225 Difference]: With dead ends: 116 [2018-04-05 15:29:45,693 INFO L226 Difference]: Without dead ends: 115 [2018-04-05 15:29:45,694 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=184, Invalid=746, Unknown=0, NotChecked=0, Total=930 [2018-04-05 15:29:45,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-04-05 15:29:45,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 67. [2018-04-05 15:29:45,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-04-05 15:29:45,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2018-04-05 15:29:45,734 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 32 [2018-04-05 15:29:45,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:29:45,734 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2018-04-05 15:29:45,734 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-05 15:29:45,734 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2018-04-05 15:29:45,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-05 15:29:45,736 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:29:45,736 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:29:45,736 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:29:45,736 INFO L82 PathProgramCache]: Analyzing trace with hash -425593706, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:29:45,759 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:29:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:29:45,811 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:29:45,888 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:29:45,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-04-05 15:29:45,889 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:29:45,906 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 15:29:45,907 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-05 15:29:45,999 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc9.base| Int)) (and (= (store |c_old(#valid)| |main_#t~malloc9.base| 0) |c_#valid|) (= 0 (select |c_old(#valid)| |main_#t~malloc9.base|)))) is different from true [2018-04-05 15:29:46,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:29:46,007 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:29:46,079 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc9.base_10| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc9.base_10|))) (= |c_old(#valid)| (store |c_#valid| |v_main_#t~malloc9.base_10| 0)))) is different from false [2018-04-05 15:29:46,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:29:46,168 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:29:46,168 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-04-05 15:29:46,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-05 15:29:46,169 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-05 15:29:46,169 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-05 15:29:46,169 INFO L87 Difference]: Start difference. First operand 67 states and 72 transitions. Second operand 8 states. [2018-04-05 15:29:46,198 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc9.base_10| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc9.base_10|))) (= |c_old(#valid)| (store |c_#valid| |v_main_#t~malloc9.base_10| 0))))) is different from false [2018-04-05 15:29:46,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:29:46,754 INFO L93 Difference]: Finished difference Result 79 states and 84 transitions. [2018-04-05 15:29:46,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-05 15:29:46,755 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 39 [2018-04-05 15:29:46,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:29:46,758 INFO L225 Difference]: With dead ends: 79 [2018-04-05 15:29:46,763 INFO L226 Difference]: Without dead ends: 72 [2018-04-05 15:29:46,764 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-04-05 15:29:46,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-04-05 15:29:46,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-04-05 15:29:46,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-04-05 15:29:46,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 77 transitions. [2018-04-05 15:29:46,802 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 77 transitions. Word has length 39 [2018-04-05 15:29:46,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:29:46,803 INFO L459 AbstractCegarLoop]: Abstraction has 72 states and 77 transitions. [2018-04-05 15:29:46,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-05 15:29:46,803 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 77 transitions. [2018-04-05 15:29:46,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-05 15:29:46,821 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:29:46,821 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:29:46,821 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:29:46,821 INFO L82 PathProgramCache]: Analyzing trace with hash 644545693, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:29:46,854 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:29:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:29:46,899 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:29:46,995 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:29:46,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-04-05 15:29:46,996 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:29:47,006 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 15:29:47,007 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-05 15:29:47,120 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc9.base| Int)) (and (= (store |c_old(#valid)| |main_#t~malloc9.base| 0) |c_#valid|) (= 0 (select |c_old(#valid)| |main_#t~malloc9.base|)))) is different from true [2018-04-05 15:29:47,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:29:47,126 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:29:47,265 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc9.base_12| Int)) (or (= (store |c_#valid| |v_main_#t~malloc9.base_12| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc9.base_12|))))) is different from false [2018-04-05 15:29:47,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:29:47,378 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:29:47,379 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-04-05 15:29:47,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-05 15:29:47,379 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-05 15:29:47,380 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-05 15:29:47,380 INFO L87 Difference]: Start difference. First operand 72 states and 77 transitions. Second operand 8 states. [2018-04-05 15:29:47,431 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc9.base_12| Int)) (or (= (store |c_#valid| |v_main_#t~malloc9.base_12| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc9.base_12|)))))) is different from false [2018-04-05 15:29:47,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:29:47,904 INFO L93 Difference]: Finished difference Result 72 states and 77 transitions. [2018-04-05 15:29:47,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-05 15:29:47,906 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2018-04-05 15:29:47,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:29:47,907 INFO L225 Difference]: With dead ends: 72 [2018-04-05 15:29:47,908 INFO L226 Difference]: Without dead ends: 52 [2018-04-05 15:29:47,908 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-04-05 15:29:47,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-05 15:29:47,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 47. [2018-04-05 15:29:47,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-04-05 15:29:47,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2018-04-05 15:29:47,962 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 40 [2018-04-05 15:29:47,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:29:47,963 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2018-04-05 15:29:47,963 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-05 15:29:47,963 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-04-05 15:29:47,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-05 15:29:47,972 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:29:47,973 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:29:47,973 INFO L408 AbstractCegarLoop]: === Iteration 10 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:29:47,973 INFO L82 PathProgramCache]: Analyzing trace with hash 387893974, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:29:48,002 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:29:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:29:48,124 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:29:48,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 15:29:48,143 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:29:48,169 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:29:48,170 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-05 15:29:48,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-05 15:29:48,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-05 15:29:48,277 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:29:48,287 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:29:48,309 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:29:48,309 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-04-05 15:29:48,686 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-05 15:29:48,728 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-04-05 15:29:48,729 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-05 15:29:48,763 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:29:48,813 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:29:48,814 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:34 [2018-04-05 15:29:48,977 WARN L148 SmtUtils]: Spent 111ms on a formula simplification that was a NOOP. DAG size: 16 [2018-04-05 15:29:49,202 WARN L148 SmtUtils]: Spent 138ms on a formula simplification that was a NOOP. DAG size: 15 [2018-04-05 15:29:49,570 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:29:49,571 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:29:49,880 WARN L148 SmtUtils]: Spent 155ms on a formula simplification that was a NOOP. DAG size: 10 [2018-04-05 15:29:51,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-05 15:29:51,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-05 15:29:51,883 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:29:51,897 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:29:51,934 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:29:51,935 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:35 [2018-04-05 15:29:52,194 WARN L151 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 18 DAG size of output 16 [2018-04-05 15:29:52,424 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:29:52,465 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 15:29:52,465 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2018-04-05 15:29:52,465 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-05 15:29:52,466 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-05 15:29:52,466 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=672, Unknown=0, NotChecked=0, Total=756 [2018-04-05 15:29:52,466 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 28 states. [2018-04-05 15:29:53,432 WARN L151 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 30 DAG size of output 28 [2018-04-05 15:29:53,735 WARN L151 SmtUtils]: Spent 194ms on a formula simplification. DAG size of input: 34 DAG size of output 31 [2018-04-05 15:29:53,962 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 26 DAG size of output 22 [2018-04-05 15:29:54,311 WARN L151 SmtUtils]: Spent 134ms on a formula simplification. DAG size of input: 38 DAG size of output 32 [2018-04-05 15:29:54,553 WARN L151 SmtUtils]: Spent 116ms on a formula simplification. DAG size of input: 36 DAG size of output 33 [2018-04-05 15:29:55,029 WARN L151 SmtUtils]: Spent 179ms on a formula simplification. DAG size of input: 29 DAG size of output 29 [2018-04-05 15:29:55,517 WARN L151 SmtUtils]: Spent 257ms on a formula simplification. DAG size of input: 33 DAG size of output 32 [2018-04-05 15:29:56,004 WARN L151 SmtUtils]: Spent 186ms on a formula simplification. DAG size of input: 37 DAG size of output 36 [2018-04-05 15:29:56,286 WARN L151 SmtUtils]: Spent 144ms on a formula simplification. DAG size of input: 38 DAG size of output 36 [2018-04-05 15:29:57,175 WARN L151 SmtUtils]: Spent 622ms on a formula simplification. DAG size of input: 34 DAG size of output 30 [2018-04-05 15:29:57,615 WARN L151 SmtUtils]: Spent 314ms on a formula simplification. DAG size of input: 38 DAG size of output 34 [2018-04-05 15:29:57,827 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 29 DAG size of output 25 [2018-04-05 15:29:58,147 WARN L151 SmtUtils]: Spent 165ms on a formula simplification. DAG size of input: 42 DAG size of output 37 [2018-04-05 15:29:58,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:29:58,190 INFO L93 Difference]: Finished difference Result 57 states and 58 transitions. [2018-04-05 15:29:58,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-05 15:29:58,191 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 45 [2018-04-05 15:29:58,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:29:58,192 INFO L225 Difference]: With dead ends: 57 [2018-04-05 15:29:58,192 INFO L226 Difference]: Without dead ends: 0 [2018-04-05 15:29:58,193 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=430, Invalid=1732, Unknown=0, NotChecked=0, Total=2162 [2018-04-05 15:29:58,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-05 15:29:58,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-05 15:29:58,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-05 15:29:58,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-05 15:29:58,198 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2018-04-05 15:29:58,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:29:58,198 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-05 15:29:58,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-05 15:29:58,198 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-05 15:29:58,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-05 15:29:58,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-04-05 15:29:58,313 WARN L148 SmtUtils]: Spent 101ms on a formula simplification that was a NOOP. DAG size: 21 [2018-04-05 15:29:58,440 WARN L148 SmtUtils]: Spent 126ms on a formula simplification that was a NOOP. DAG size: 67 [2018-04-05 15:29:59,304 WARN L151 SmtUtils]: Spent 703ms on a formula simplification. DAG size of input: 76 DAG size of output 36 [2018-04-05 15:29:59,611 WARN L151 SmtUtils]: Spent 293ms on a formula simplification. DAG size of input: 54 DAG size of output 32 [2018-04-05 15:29:59,669 INFO L416 ceAbstractionStarter]: For program point cstrchrErr3RequiresViolation(line 542) no Hoare annotation was computed. [2018-04-05 15:29:59,670 INFO L416 ceAbstractionStarter]: For program point cstrchrEXIT(lines 540 545) no Hoare annotation was computed. [2018-04-05 15:29:59,670 INFO L416 ceAbstractionStarter]: For program point L542(lines 542 543) no Hoare annotation was computed. [2018-04-05 15:29:59,670 INFO L416 ceAbstractionStarter]: For program point L542'''''''''''''(line 542) no Hoare annotation was computed. [2018-04-05 15:29:59,670 INFO L416 ceAbstractionStarter]: For program point L540(lines 540 545) no Hoare annotation was computed. [2018-04-05 15:29:59,670 INFO L416 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-04-05 15:29:59,670 INFO L416 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2018-04-05 15:29:59,670 INFO L416 ceAbstractionStarter]: For program point cstrchrErr2RequiresViolation(line 542) no Hoare annotation was computed. [2018-04-05 15:29:59,670 INFO L416 ceAbstractionStarter]: For program point L542'''''''''''''''(lines 542 543) no Hoare annotation was computed. [2018-04-05 15:29:59,670 INFO L416 ceAbstractionStarter]: For program point L542''''''''(line 542) no Hoare annotation was computed. [2018-04-05 15:29:59,671 INFO L416 ceAbstractionStarter]: For program point L542'(line 542) no Hoare annotation was computed. [2018-04-05 15:29:59,675 INFO L416 ceAbstractionStarter]: For program point cstrchrErr1RequiresViolation(line 542) no Hoare annotation was computed. [2018-04-05 15:29:59,675 INFO L416 ceAbstractionStarter]: For program point cstrchrErr4RequiresViolation(line 544) no Hoare annotation was computed. [2018-04-05 15:29:59,675 INFO L416 ceAbstractionStarter]: For program point L544''''''(line 544) no Hoare annotation was computed. [2018-04-05 15:29:59,676 INFO L416 ceAbstractionStarter]: For program point L542'''''''''''(line 542) no Hoare annotation was computed. [2018-04-05 15:29:59,676 INFO L416 ceAbstractionStarter]: For program point L543'(line 543) no Hoare annotation was computed. [2018-04-05 15:29:59,676 INFO L416 ceAbstractionStarter]: For program point L543''(line 543) no Hoare annotation was computed. [2018-04-05 15:29:59,676 INFO L416 ceAbstractionStarter]: For program point L544'''(line 544) no Hoare annotation was computed. [2018-04-05 15:29:59,676 INFO L416 ceAbstractionStarter]: For program point L544''''(line 544) no Hoare annotation was computed. [2018-04-05 15:29:59,676 INFO L416 ceAbstractionStarter]: For program point L542'''''''(line 542) no Hoare annotation was computed. [2018-04-05 15:29:59,677 INFO L412 ceAbstractionStarter]: At program point L542''''''''''''''(lines 542 543) the Hoare annotation is: (let ((.cse1 (select |#length| |cstrchr_#in~s.base|))) (or (not (= 1 (select |#valid| |cstrchr_#in~s.base|))) (let ((.cse0 (select |#length| cstrchr_~s.base))) (and (<= 0 cstrchr_~s.offset) (= 1 (select |#valid| cstrchr_~s.base)) (= 0 (select (select |#memory_int| cstrchr_~s.base) (+ .cse0 (- 1)))) (<= (+ cstrchr_~s.offset 1) .cse0))) (not (= (select (select |#memory_int| |cstrchr_#in~s.base|) (+ .cse1 (- 1))) 0)) (< |cstrchr_#in~s.offset| 0) (< .cse1 (+ |cstrchr_#in~s.offset| 1)))) [2018-04-05 15:29:59,677 INFO L416 ceAbstractionStarter]: For program point L544'(line 544) no Hoare annotation was computed. [2018-04-05 15:29:59,677 INFO L416 ceAbstractionStarter]: For program point cstrchrErr5RequiresViolation(line 544) no Hoare annotation was computed. [2018-04-05 15:29:59,677 INFO L416 ceAbstractionStarter]: For program point cstrchrFINAL(lines 540 545) no Hoare annotation was computed. [2018-04-05 15:29:59,677 INFO L416 ceAbstractionStarter]: For program point L542'''''''''(line 542) no Hoare annotation was computed. [2018-04-05 15:29:59,677 INFO L416 ceAbstractionStarter]: For program point L542''''''''''''(line 542) no Hoare annotation was computed. [2018-04-05 15:29:59,677 INFO L416 ceAbstractionStarter]: For program point L542''(line 542) no Hoare annotation was computed. [2018-04-05 15:29:59,677 INFO L416 ceAbstractionStarter]: For program point L542''''(line 542) no Hoare annotation was computed. [2018-04-05 15:29:59,677 INFO L416 ceAbstractionStarter]: For program point L542''''''(lines 542 543) no Hoare annotation was computed. [2018-04-05 15:29:59,678 INFO L419 ceAbstractionStarter]: At program point cstrchrENTRY(lines 540 545) the Hoare annotation is: true [2018-04-05 15:29:59,678 INFO L416 ceAbstractionStarter]: For program point L544'''''(line 544) no Hoare annotation was computed. [2018-04-05 15:29:59,678 INFO L416 ceAbstractionStarter]: For program point L542'''(line 542) no Hoare annotation was computed. [2018-04-05 15:29:59,678 INFO L416 ceAbstractionStarter]: For program point cstrchrErr0RequiresViolation(line 542) no Hoare annotation was computed. [2018-04-05 15:29:59,678 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-05 15:29:59,678 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-04-05 15:29:59,678 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-05 15:29:59,678 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-04-05 15:29:59,679 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-04-05 15:29:59,679 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-04-05 15:29:59,684 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-04-05 15:29:59,684 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-04-05 15:29:59,684 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 552) no Hoare annotation was computed. [2018-04-05 15:29:59,685 INFO L412 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: (let ((.cse0 (select |#length| main_~nondetString~0.base))) (and (= (store |old(#valid)| |main_#t~malloc9.base| 1) |#valid|) (= 0 |main_#t~malloc9.offset|) (= main_~length~0 .cse0) (= (select (select |#memory_int| main_~nondetString~0.base) (+ .cse0 (- 1))) 0) (= main_~length~0 (select |#length| |main_#t~malloc9.base|)) (= 0 main_~nondetString~0.offset) (= 1 (select |#valid| main_~nondetString~0.base)) (<= (+ main_~nondetString~0.offset 1) .cse0) (= 0 (select |old(#valid)| |main_#t~malloc9.base|)))) [2018-04-05 15:29:59,685 INFO L416 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-04-05 15:29:59,685 INFO L416 ceAbstractionStarter]: For program point L551'(line 551) no Hoare annotation was computed. [2018-04-05 15:29:59,685 INFO L416 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-04-05 15:29:59,685 INFO L416 ceAbstractionStarter]: For program point L552'(line 552) no Hoare annotation was computed. [2018-04-05 15:29:59,685 INFO L416 ceAbstractionStarter]: For program point L553'(line 553) no Hoare annotation was computed. [2018-04-05 15:29:59,685 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 546 555) no Hoare annotation was computed. [2018-04-05 15:29:59,685 INFO L416 ceAbstractionStarter]: For program point mainErr2EnsuresViolationMEMORY_LEAK(lines 546 555) no Hoare annotation was computed. [2018-04-05 15:29:59,685 INFO L416 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-04-05 15:29:59,686 INFO L416 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2018-04-05 15:29:59,686 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 552) no Hoare annotation was computed. [2018-04-05 15:29:59,686 INFO L416 ceAbstractionStarter]: For program point L548(lines 548 550) no Hoare annotation was computed. [2018-04-05 15:29:59,686 INFO L416 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-04-05 15:29:59,686 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 546 555) no Hoare annotation was computed. [2018-04-05 15:29:59,686 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 546 555) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-05 15:29:59,686 INFO L416 ceAbstractionStarter]: For program point L551''(line 551) no Hoare annotation was computed. [2018-04-05 15:29:59,686 INFO L416 ceAbstractionStarter]: For program point L553''(line 553) no Hoare annotation was computed. [2018-04-05 15:29:59,687 INFO L416 ceAbstractionStarter]: For program point L547'(line 547) no Hoare annotation was computed. [2018-04-05 15:29:59,687 INFO L416 ceAbstractionStarter]: For program point L548''(lines 548 550) no Hoare annotation was computed. [2018-04-05 15:29:59,687 INFO L416 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-04-05 15:29:59,687 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_32ENTRY(lines 56 60) no Hoare annotation was computed. [2018-04-05 15:29:59,687 INFO L416 ceAbstractionStarter]: For program point L59'(line 59) no Hoare annotation was computed. [2018-04-05 15:29:59,687 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_32FINAL(lines 56 60) no Hoare annotation was computed. [2018-04-05 15:29:59,687 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_32EXIT(lines 56 60) no Hoare annotation was computed. [2018-04-05 15:29:59,687 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_64FINAL(lines 61 65) no Hoare annotation was computed. [2018-04-05 15:29:59,687 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_64EXIT(lines 61 65) no Hoare annotation was computed. [2018-04-05 15:29:59,687 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_64ENTRY(lines 61 65) no Hoare annotation was computed. [2018-04-05 15:29:59,688 INFO L416 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-04-05 15:29:59,688 INFO L416 ceAbstractionStarter]: For program point L64'(line 64) no Hoare annotation was computed. [2018-04-05 15:29:59,703 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:29:59,705 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:29:59,708 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:29:59,708 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:29:59,709 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:29:59,709 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:29:59,730 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:29:59,730 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:29:59,730 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:29:59,731 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:29:59,731 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:29:59,731 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:29:59,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 03:29:59 BoogieIcfgContainer [2018-04-05 15:29:59,748 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-05 15:29:59,750 INFO L168 Benchmark]: Toolchain (without parser) took 29095.33 ms. Allocated memory was 306.7 MB in the beginning and 548.9 MB in the end (delta: 242.2 MB). Free memory was 244.7 MB in the beginning and 347.7 MB in the end (delta: -103.0 MB). Peak memory consumption was 139.2 MB. Max. memory is 5.3 GB. [2018-04-05 15:29:59,751 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 306.7 MB. Free memory is still 269.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-05 15:29:59,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.18 ms. Allocated memory is still 306.7 MB. Free memory was 243.7 MB in the beginning and 220.7 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB. [2018-04-05 15:29:59,752 INFO L168 Benchmark]: Boogie Preprocessor took 102.62 ms. Allocated memory is still 306.7 MB. Free memory was 220.7 MB in the beginning and 218.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-05 15:29:59,753 INFO L168 Benchmark]: RCFGBuilder took 1531.82 ms. Allocated memory was 306.7 MB in the beginning and 472.9 MB in the end (delta: 166.2 MB). Free memory was 217.7 MB in the beginning and 410.3 MB in the end (delta: -192.6 MB). Peak memory consumption was 22.4 MB. Max. memory is 5.3 GB. [2018-04-05 15:29:59,754 INFO L168 Benchmark]: TraceAbstraction took 26683.33 ms. Allocated memory was 472.9 MB in the beginning and 548.9 MB in the end (delta: 76.0 MB). Free memory was 408.9 MB in the beginning and 347.7 MB in the end (delta: 61.3 MB). Peak memory consumption was 137.3 MB. Max. memory is 5.3 GB. [2018-04-05 15:29:59,757 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 306.7 MB. Free memory is still 269.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 754.18 ms. Allocated memory is still 306.7 MB. Free memory was 243.7 MB in the beginning and 220.7 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 102.62 ms. Allocated memory is still 306.7 MB. Free memory was 220.7 MB in the beginning and 218.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 1531.82 ms. Allocated memory was 306.7 MB in the beginning and 472.9 MB in the end (delta: 166.2 MB). Free memory was 217.7 MB in the beginning and 410.3 MB in the end (delta: -192.6 MB). Peak memory consumption was 22.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 26683.33 ms. Allocated memory was 472.9 MB in the beginning and 548.9 MB in the end (delta: 76.0 MB). Free memory was 408.9 MB in the beginning and 347.7 MB in the end (delta: 61.3 MB). Peak memory consumption was 137.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - InvariantResult [Line: 542]: Loop Invariant [2018-04-05 15:29:59,765 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:29:59,765 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:29:59,765 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:29:59,765 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:29:59,765 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:29:59,765 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:29:59,767 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:29:59,767 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:29:59,767 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:29:59,768 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:29:59,768 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:29:59,768 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((!(1 == \valid[s]) || (((0 <= s && 1 == \valid[s]) && 0 == unknown-#memory_int-unknown[s][unknown-#length-unknown[s] + -1]) && s + 1 <= unknown-#length-unknown[s])) || !(unknown-#memory_int-unknown[s][unknown-#length-unknown[s] + -1] == 0)) || s < 0) || unknown-#length-unknown[s] < s + 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 71 locations, 9 error locations. SAFE Result, 26.4s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 13.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 490 SDtfs, 830 SDslu, 1583 SDs, 0 SdLazy, 897 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 604 GetRequests, 475 SyntacticMatches, 5 SemanticMatches, 124 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 14.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 54 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 10 NumberOfFragments, 119 HoareAnnotationTreeSize, 7 FomulaSimplifications, 32 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 596 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.2s InterpolantComputationTime, 282 NumberOfCodeBlocks, 282 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 544 ConstructedInterpolants, 76 QuantifiedInterpolants, 136840 SizeOfPredicates, 55 NumberOfNonLiveVariables, 848 ConjunctsInSsa, 118 ConjunctsInUnsatCore, 20 InterpolantComputations, 16 PerfectInterpolantSequences, 10/46 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrchr-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-05_15-29-59-774.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrchr-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-05_15-29-59-774.csv Received shutdown request...